The Model AQ40S Lifejacket Light is a compact, high-performance safety device designed to ensure visibility in emergency situations. Equipped with a white LED, it can be activated automatically upon contact with water or manually if needed. This lightweight unit, at just 40 grams, provides a minimum of 2.5cd light output and guarantees at least 40 hours of illumination. With a storage life of 5 years from the date of manufacture, it meets various international standards, including EU MED, UK MER, USCG, and ISO 24408:2005.